Search Results
Results 201 - 250 of 1837
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Li Sheng-Yun - - 2010
A patient with migraine-induced stroke with risk factors involving both anterior cerebral artery and posterior cerebral artery territory was presented. To better explain the symptom, the mechanisms of the migraine-induced stroke with risk factors were assessed and a hypothesis was raised.
Bokkers Reinoud P H - - 2010
PURPOSE: To measure the cerebral autoregulatory status of the brain tissue supplied by the individual brain-feeding arteries in patients with symptomatic stenosis of the internal carotid artery (ICA) by using arterial spin-labeling (ASL) magnetic resonance (MR) imaging and to compare this status with that in healthy controls. MATERIALS AND METHODS: ...
Paraskevas Kosmas I - - 2010
Most symptomatic patients should not be candidates for carotid artery stenting (CAS); at least not at present. In these patients, CAS is associated with higher stroke, as well as recurrent stenosis rates compared with carotid endarterectomy (CEA). Furthermore, CAS is considerably more expensive than CEA. These facts raise the question, ...
Jiménez Caballero Pedro Enrique - - 2010
The paramedian thalamic arteries can arise as a pair from each P1 of the posterior cerebral artery, but they may also arise equally from a common trunk off one P1, thus supplying thalamus bilaterally. Such a common trunk is called the artery of Percheron and supplies the mesial aspects of ...
Bathala Lokesh - - 2010
To evaluate the results of carotid artery angioplasty and stenting (CAS) in treating extracranial carotid artery stenosis performed by neurologists in our center and compare the results with other large published series. Data for all patients who underwent CAS from January 2003 through November 2007, was retrieved from the Nanjing ...
Elias-Smale Suzette E - - 2010
Multidetector computed tomography (MDCT), which has been mainly used to study coronary atherosclerosis, also enables non-invasive measurement of carotid and aortic atherosclerosis and might be suitable for screening in the general population. The aim of this study was to investigate the associations of carotid artery, aortic arch and coronary artery ...
Hutyra Martin - - 2010
Ischaemic stroke, especially in the younger population, is an important cause of morbidity and mortality. When compared with the older population, the underlying aetiology of stroke in the young includes higher rates of cardioembolic disease and congenital heart anomalies. Paradoxical embolism may be an important cause of ischaemic cerebral events, ...
Castaño Carlos - - 2010
To describe the safety and effectiveness of a self-expanding and fully retrievable stent (Solitaire AB; ev3 Inc, Plymouth, MN) in revascularization of patients with acute ischemic stroke. Prospective, single-center study of 20 patients with an acute ischemic stroke attributable to a large artery occlusion of the anterior circulation within the ...
Iihara Koji - - 2010
The authors report a rare case of slowly progressive neuronal death associated with postischemic hyperperfusion in cortical laminar necrosis after radial artery/external carotid artery-middle cerebral artery bypass graft surgery for an intracavernous carotid artery aneurysm. Under barbiturate protection, a 69-year-old man underwent high-flow bypass surgery combined with carotid artery sacrifice ...
Finsterer Josef - - 2010
Cryptogenic stroke (CS) is defined as cerebral ischemia of obscure or unknown origin. The cause of CS remains undetermined because the event is transitory or reversible, investigations did not look for all possible causes, or because some causes truly remain unknown. One third of the ischemic strokes is cryptogenic. CS ...
Barker Colin M - - 2010
BACKGROUND: Treatment of angiographic string sign (SS) of the carotid artery with carotid endarterectomy or carotid artery stenting (CAS) has been associated with a high incidence of periprocedural neurological events. We describe our experience with CAS in a case series of symptomatic patients with severe carotid stenosis and angiographic SS. ...
Naylor A Ross - - 2010
The management of patients with concurrent carotid and cardiac disease remains enduringly controversial. National and international guidelines provide no real consensus, and there is poor-quality natural history data to inform the debate. Systematic reviews suggest that coronary artery bypass grafting (CABG) plus either staged or synchronous carotid endarterectomy (CEA) or ...
Rabellino Martin - - 2010
Hemodynamic depression (HD) is a frequent complication related to carotid endartherectomy or carotid artery stenting (CAS), often not well tolerated in patients with coronary artery disease. The purpose of this study is to assess whether CAS without angioplasty is beneficial in patients with severe carotid artery disease before coronary revascularization ...
Ramenghi L A - - 2010
The perinatal ischemic stroke is defined as "a group of heterogenous conditions with a focal disruption of cerebral flow secondary to an arterial or a venous thrombosis or embolization between the 20 week of foetal life through the 28 post-natal day". Three subgroups are identified: arterial ischemic stroke (AIS), cerebral ...
Polydorou A D - - 2010
AIM: Although there are studies reporting that carotid endarterectomy (CEA) is recommended before or concomitant to coronary artery bypass grafting (CABG) in patients with severe carotid stenosis, controversies still exist. Carotid artery stenting (CAS) has been recently introduced as an alternative revascularization therapy in high-risk patients. The aim of this ...
Jung Joohyun - - 2010
Spectral waveform analysis of blood flow velocity in the major arteries of six healthy, conscious immature micropigs was determined using Doppler ultrasonography. Doppler spectral tracings were recorded from the external iliac artery, femoral artery, and renal arcuate artery. Tracings were also taken from three parts of the common carotid artery ...
Bakoyiannis C - - 2010
Carotid angioplasty with or without stent placement (CAS) has been proposed as an alternative to carotid endarterectomy (CEA) for the treatment of carotid artery stenosis. We performed a systematic review and meta-analysis of randomized controlled trials to compare the safety and efficacy of endovascular techniques with surgery for carotid stenosis. ...
Cavalcanti Daniel D - - 2010
The transciliary supraorbital approach (TCSO) provides an anterior view for visualizing sellar, parasellar, and suprasellar structures. Whether an orbital osteotomy adds to this exposure has not been quantified. We quantitatively evaluated the TCSO and benefits of an additional orbital osteotomy for exposing common sites of anterior circulation aneurysms. Under image ...
Lee Hai Ong - - 2010
An effective intervention has not yet been established for patients with acute occlusion of the internal carotid artery (ICA). The aim of our study was to investigate the feasibility, safety, and efficacy of emergent stent placement of carotid artery to improve neurologic symptoms and clinical outcome. Of 84 consecutive patients ...
El-Hakam Lisa Michael - - 2010
Moyamoya vasculopathy is a progressive, occlusive vasculopathy leading to ischemic and hemorrhagic strokes. No treatments are established to treat acute ischemic stroke with moyamoya vasculopathy. A 3-year-old girl with moyamoya syndrome developed acute left hemiplegia. Emergent angiography showed near-occlusion of the supraclinoid segment of the right internal carotid artery. Balloon ...
Dharmasaroja Pornpatr A - - 2010
We looked for risk factors for significant carotid stenosis (CS) in patients with ischemic stroke. We included all patients treated for an ischemic stroke/transient ischemic attack (TIA) and had a carotid duplex done from August 2006 to November 2008. A total of 458 patients were included. Significant CS of the ...
White Christopher J - - 2010
In the past 3 years, there have been significant developments in the field of carotid revascularization, including: 1) the results of a large primary stroke prevention trial; 2) the emergence of novel platforms for emboli protection; 3) improved characterization of the high-risk carotid artery stent (CAS) patient; 4) completion of ...
Myla Subbarao - - 2010
OBJECTIVE: The multicenter EPIC (FiberNet Embolic Protection System in Carotid Artery Stenting Trial) single-arm trial evaluated the 30-day outcomes of a new design concept for embolic protection during carotid artery stenting (CAS). BACKGROUND: Embolic protection filters available for use during CAS include fixed and over-the-wire systems that rely on embolic ...
Bain Mark - - 2010
BACKGROUND: Patients with total carotid occlusions can develop ischemic stroke as a result to hemodynamic impairment. Flow augmentation can be provided through a variety of surgical and endovascular techniques. We describe a patient treated with vertebral artery stent placement to augment indirect flow to the territory of an occluded carotid ...
Kumral Emre - - 2010
Intracranial dolichoectatic carotid and middle cerebral artery (ICDA) may cause ischemia by multiple mechanisms, including thrombosis, embolism, and occlusion of the involved arteries. We sought clinical and hemodynamic mechanisms in 8 patients with ICDA and stroke, corresponding to 0.4% of our patients with ischemic stroke, and compared these data with ...
Bayer Stefan - - 2011
Cerebrovascular accidents are responsible for killing or disabling more than half a million Americans every year. They are the third leading cause of death in this country. In Germany, the annual stroke incidence reaches 182 cases per 100,000 inhabitants. Stroke there is the fourth leading cause of death. There is ...
Cohen José E - - 2010
To describe a series of patients with stroke secondary to thrombosis in unruptured non-giant aneurysms and to classify them. Patients with saccular non-giant aneurysm thrombosis presenting with ischemic events were identified. The clinical and imaging attributes were then used to build a novel classification scheme for aneurysm-related stroke. Six patients ...
Homburg Philip J - - 2010
BACKGROUND AND PURPOSE: Atherosclerotic carotid plaque ulceration is considered a marker of previous plaque rupture and subsequent thromboembolism. It can be accurately detected with multidetector CTA. We hypothesized that atherosclerotic plaque ulceration is associated with nonlacunar ischemic stroke rather than lacunar stroke. METHODS: Prospectively, 750 consecutive patients with transient ischemic ...
Brown Aliza T - - 2010
Current rabbit stroke models often depend on symptoms as endpoints for embolization and produce wide variation in location, size, and severity of strokes. In a further refinement of an angiographic embolic stroke model, localized infarctions were correlated to neurologic deficits with the goal to create a rabbit model for long-term ...
Yue Xuanye - - 2010
To investigate the feasibility and efficacy of angioplasty and stenting for symptomatic occlusion of carotid artery. From December 2004 to June 2009, 17 patients with progressive or reoccurred ischemic stroke or repeated transient ischemic attack resulted from the total occluded carotid artery underwent angioplasty and stenting were reviewed. All patients ...
Thorne Meghan L - - 2010
The objective of this investigation was to implement a high-pass frequency filter method to analyze Doppler ultrasound velocity waveforms and quantify turbulence intensity (TI) in vivo. Doppler velocity data were analyzed using two techniques, based on either ensemble averaging or high-pass frequency domain filtering of the periodic waveforms. The accuracy ...
Kawabori Masahito - - 2010
BACKGROUND/OBJECTIVES: Ischemic stroke is one of major complications of cardiac surgery. Although a current American Heart Association (AHA) guideline states that carotid endarterectomy is probably recommended before or concomitant to coronary artery bypass grafting (CABG) for the carotid stenosis, there is no report that analyzed optimal strategies in cardiac surgery ...
Furtado A D - - 2010
Ischemic stroke is commonly embolic, either from carotid atherosclerosis or from cardiac origin. These potential sources of emboli need to be investigated to accurately prescribe secondary stroke prevention. Moreover, the mortality in ischemic stroke patients due to ischemic heart disease is greater than that of age-matched controls, thus making evaluation ...
Pico Fernando - - 2010
OBJECTIVE: Intracranial arterial dolichoectasia (IADE), also called dilatative arteriopathy of the brain, is defined as an increase in length and diameter of intracranial arteries. Abdominal aortic aneurysm and ectasia of coronary arteries have been reported in association with IADE. In both conditions, a dysfunction of matrix metalloproteinases (MMP)-2, -3, and ...
Bugnicourt Jean-Marc - - 2010
We previously demonstrated a strong relation between carotid atherosclerosis (defined as carotid artery stenosis > or =50%) and intracranial artery calcification (IAC) in ischemic stroke patients. The purpose of this study was to evaluate the relation between aortic atherosclerosis and IAC. Four hundred fifty-four patients with ischemic stroke were included. ...
White Rodney A - - 2010
The Vascular Registry (VR) on carotid procedures collects long-term outcomes on carotid artery stenting (CAS) and carotid endarterectomy (CEA) patients. The purpose of this report is to describe in-hospital and 30-day CAS outcomes in patients with atherosclerotic carotid artery disease (CAD; atherosclerosis [ATH]) compared to recurrent carotid stenosis (RES) and ...
Woo Karen - - 2010
The validity of carotid endarterectomy (CEA) for asymptomatic carotid stenosis has been questioned recently due to the increasing effectiveness of medical management. In this study, we evaluated how contemporary outcomes of CEA for asymptomatic carotid stenosis compare with published stroke rates for best medical management. We identified all patients who ...
Eskandari Mark K - - 2010
Vascular surgeons have increasingly become proficient in carotid artery stenting (CAS) as an alternative treatment modality for cervical carotid artery occlusive disease. We analyzed our early and late outcomes of CAS over the last 8 years. We report a single-center retrospective review of 388 carotid bifurcation lesions treated with CAS ...
Pare?s Isabel - - 2010
Several reports describe a potential association between prolonged flights and stroke. However, causes of travel-related stroke due to paradoxal embolism other than patent foramen ovale have not been previously reported. We here describe the case of a 44-year-old woman who presented with an acute anterior circulation stroke after a transoceanic ...
Laugesaar R - - 2010
AIM: To determine whether factor V Leiden (FVL) and prothrombin (PT) 20210G>A mutation are associated with paediatric ischaemic stroke. METHODS: The study consisted of two parts. Case-control study included neuroradiologically confirmed paediatric ischaemic stroke patients from two tertiary children's hospitals in Estonia. For control group, DNA was obtained from 400 ...
Zhang Gui-yun - - 2010
BACKGROUND: Atherosclerosis is the most common cause of ischemic stroke. Until now, there has been no ideal animal model for studying the hemodynamic ischemia caused by atherosclerosis in posterior circulation. OBJECTIVE: This study was conducted to establish a cerebral ischemic model in an atherosclerotic rabbit by subclavian artery (SA) ligation ...
Crooke Gregory A - - 2010
BACKGROUND: A recent report suggested that a thoracotomy approach for reoperative mitral valve (MV) procedures was associated with an equivalent mortality and an unacceptable risk of stroke. We assessed these outcomes in a single institution's experience. METHODS: From 1992 through 2007, 905 patients underwent reoperative MV procedures. The approach was ...
Meyer Scott A - - 2010
OBJECTIVE: Carotid artery angioplasty and carotid artery stenting (CAS) offer a viable alternative to carotid endarterectomy for symptomatic and asymptomatic patients; however, the complication rates associated with CAS may be higher than previously documented. We evaluated the safety and efficacy of CAS in high surgical risk patients in a single ...
Terada Tomoaki - - 2010
OBJECT: The efficacy and pitfalls of endovascular recanalization were evaluated in cases of internal carotid artery (ICA) occlusion in the subacute to chronic stage. METHODS: Fourteen cases (15 lesions) of symptomatic ICA occlusion with hemodynamic compromise or recurrent symptoms were treated at the subacute to chronic stage using an endovascular ...
Seol Ho Jun - - 2010
OBJECT: Bilateral intimal thickening of the distal internal carotid arteries (ICAs) and the development of many collateral vessels in the base of the brain characterize moyamoya disease (MMD). Although the etiology of and the reason why MMD is limited to the major intracranial vessels remain unclear, flow dynamics, such as ...
Krishnaswamy Amar - - 2010
Stroke is often the result of carotid atheroma, which may cause ischemia via progressive arterial narrowing or lead to superimposed thrombus formation and subsequent atheroembolism to the intracerebral vasculature. Revascularization through carotid endarterectomy or carotid artery stenting with embolic protection devices has produced favorable results in appropriately selected patients. In ...
Bhatia Sanjay - - 2010
The authors report the case of an acute left middle cerebral artery distribution stroke caused by a terminal internal carotid artery occlusion in a patient who underwent endovascular mechanical embolectomy. Histopathological analysis of embolic material obtained from the mechanical retriever device was diagnostic of a high-grade phyllodes breast tumor. This ...
Tallarita Tiziano - - 2010
With advances in acute stroke management, patients with symptomatic severe carotid stenosis are frequently evaluated in the acute stage (ie, within the first few hours) after onset of symptoms. Patients with severe extracranial carotid artery stenosis presenting with acute stroke often have associated intracranial occlusive lesions. When invasive intra-arterial therapy ...
Ghatge S B - - 2010
Rupture of the internal carotid artery (ICA) during transsphenoidal surgery is a rare but potentially lethal complication. Direct surgical repair of the ICA may be difficult and time-consuming in an acute setting. Urgent endovascular treatments with vascular plug or stent-graft have been the feasible options to date. We desrcibe two ...
Yamada Kei - - 2010
Contrary to the common belief that age-related WMLs (also known as leukoaraiosis) are a progressive condition, a case of partial reversal of WMLs shortly after carotid artery stenting is described. A 75-year-old man presented with frequent TIAs, which were attributed to right ICA stenosis. He subsequently underwent successful carotid artery ...
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